# NTSB NYC66A0005: Cessna 310D, N6735T, 5s Mercersburg, PA, July 11, 1965

- Type: NTSB accident investigation
- Classification: Accident · Fatal · Closed
- Date: July 11, 1965
- Place: 5s Mercersburg, PA · 5S MERCERSBURG, PA
- Phase of flight: [Approach](https://openairdocs.org/ntsb-phases/500) (OpenAirDocs' grouping)
- Highest injury: Fatal
- Injuries: 4 fatal
- Status: Completed, report November 15, 1965
- Report: Brief approved by the director
- NTSB case key (mKey): 177252
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=NYC66A0005
- Page: https://openairdocs.org/ntsb/NYC66A0005

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
2-0588  65/7/11    5S MERCERSBURG PA   CESSNA 310D         CR-  1  0  0  COMMERCIAL                ATP,FLIGHT INSTR., AGE
        TIME - 1115                    N6735T              PX-  3  0  0  AIR TAXI-PASSG            44, 9014 TOTAL HOURS, 275
                                       DAMAGE-DESTROYED    OT-  0  0  0                            IN TYPE, INSTRUMENT
                                                                                                   RATED.
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           COLLISION WITH GROUND/WATER: CONTROLLED                  LANDING: INITIAL APPROACH
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - IMPROPER IFR OPERATION
           PILOT IN COMMAND - BECAME LOST/DISORIENTED
        FACTOR(S)
           WEATHER - LOW CEILING
           WEATHER - RAIN
           WEATHER - FOG
        WEATHER BRIEFING - BRIEFED BY FLIGHT SERVICE PERSONNEL, BY PHONE
        WEATHER FORECAST - FORECAST SUBSTANTIALLY CORRECT
        SKY CONDITION                                            CEILING AT ACCIDENT SITE
          OVERCAST                                                  1000
        VISIBILITY AT ACCIDENT SITE                              PRECIPITATION AT ACCIDENT SITE
          2 MILES OR LESS                                          RAIN
        OBSTRUCTIONS TO VISION AT ACCIDENT SITE                  TEMPERATURE-F
          FOG                                                       69
        WIND VELOCITY-KNOTS                                      TYPE OF WEATHER CONDITIONS
          CALM                                                     IFR
        TYPE OF FLIGHT PLAN
          IFR
         FIRE AFTER IMPACT
        REMARKS- PILOT DISCONTINUED IFR DURING INSTRUMENT APPROACH APPARENTLY BEFORE LANDING ASSURED
```

## Aircraft

- Registration: [N6735T](https://openairdocs.org/deregistered/N6735T-1965-09-14), registration cancelled 1965-09-14, S/N 39035 (OpenAirDocs)
- Reported make and model: CESSNA 310D
- Registry model: [Cessna 310D](https://openairdocs.org/model/cessna-310d) (registry code 2074212) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Destroyed
- Airport: Hagerstown Muni

## Other investigations on N6735T (1)

From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date, checked against the reported serial number, make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

- [NTSB UNK64X0403](https://openairdocs.org/ntsb/UNK64X0403), Jan 30, 1964: Cessna 310 (N6735T), Greenban, WV, substantial damage

From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date, checked against the reported serial number, make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

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